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SM
Stefy Matsumura
FemaleHawaii2005–2019
29
Total Finishes
9
Different Races
1
States (2%)
1:33:58
PR (7:10/mi)
1:53:48
Average
+0:02:31
Slower (first to last)
Medal House
2013
Hapalua Hawaii's Half Marathon
1:33:58
#83 overall#7 gender
2013
Hibiscus Half Marathon 5m 15K
1:36:19
#71 overall#11 gender
2012
2025 Val Nolasco Half Marathon
1:35:29
#61 overall#6 gender
2012
Hickam Half Marathon
2:53:41
#320 overall#134 gender
2009
Hickam Half Marathon
1:40:11
#18 overall#2 gender
2009
XTERRA Trail Run World Championship
2:08:26
#136 overall#27 gender
2008
Hickam Half Marathon
1:37:16
#25 overall#4 gender
2008
XTERRA Trail Run World Championship
2:20:31
#161 overall#36 gender
2006
Maui Marathon and Half Marathon April 26, 2026
1:39:37
#57 overall#13 gender
2006
2025 Val Nolasco Half Marathon
1:55:28
#209 overall#53 gender
2005
Rock 'n' Roll Virgina Beach Half Marathon
1:39:06
#807 overall#148 gender
2005
2025 Val Nolasco Half Marathon
1:41:22
#142 overall#16 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2019 | Hapalua Hawaii's Half MarathonHonolulu | HI | 1:41:37 | #208 |
| 2018 | Schofield Half MarathonSchofield | HI | 1:45:02 | #18 |
| 2018 | Hickam Half MarathonHonolulu | HI | 1:48:21 | #42 |
| 2018 | Hapalua Hawaii's Half MarathonHonolulu | HI | 1:52:54 | #471 |
| 2018 | XTERRA Trail Run World ChampionshipKaaawa | HI | 2:35:36 | #171 |
| 2017 | Hapalua Hawaii's Half MarathonHonolulu | HI | 1:44:20 | #245 |
| 2017 | XTERRA Trail Run World ChampionshipKaaawa | HI | 2:27:19 | #174 |
| 2016 | Hapalua Hawaii's Half MarathonHonolulu | HI | 1:39:46 | #123 |
| 2016 | Hickam Half MarathonHonolulu | HI | 1:43:33 | #39 |
| 2016 | 2025 Val Nolasco Half MarathonHonolulu | HI | 1:45:06 | #115 |
| 2016 | XTERRA Trail Run World ChampionshipKaaawa | HI | 2:14:29 | #102 |
| 2015 | Hapalua Hawaii's Half MarathonHonolulu | HI | 1:37:11 | #102 |
| 2015 | 2025 Val Nolasco Half MarathonHonolulu | HI | 1:43:15 | #105 |
| 2015 | XTERRA Trail Run World ChampionshipKaaawa | HI | 2:10:50 | #89 |
| 2014 | Hapalua Hawaii's Half MarathonHonolulu | HI | 2:03:54 | #800 |
| 2014 | XTERRA Trail Run World ChampionshipKaaawa | HI | 2:07:36 | #102 |
| 2013 | Hapalua Hawaii's Half MarathonHonolulu | HI | 1:33:58 | #83 |
| 2013 | Hibiscus Half Marathon 5m 15KHonolulu | HI | 1:36:19 | #71 |
| 2013 | Rock 'n' Roll Las VegasLas Vegas | NV | 1:38:13 | #365 |
| 2012 | 2025 Val Nolasco Half MarathonHonolulu | HI | 1:35:29 | #61 |
| 2012 | Hickam Half MarathonHonolulu | HI | 2:53:41 | #320 |
| 2009 | Hickam Half MarathonHonolulu | HI | 1:40:11 | #18 |
| 2009 | XTERRA Trail Run World ChampionshipKaaawa | HI | 2:08:26 | #136 |
| 2008 | Hickam Half MarathonHonolulu | HI | 1:37:16 | #25 |
| 2008 | XTERRA Trail Run World ChampionshipKaaawa | HI | 2:20:31 | #161 |
| 2006 | Maui Marathon and Half Marathon April 26, 2026Lāhainā | HI | 1:39:37 | #57 |
| 2006 | 2025 Val Nolasco Half MarathonHonolulu | HI | 1:55:28 | #209 |
| 2005 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 1:39:06 | #807 |
| 2005 | 2025 Val Nolasco Half MarathonHonolulu | HI | 1:41:22 | #142 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
HIHawaii
27 races50-State Challenge
1/ 51 states + DC
50 states to go